3(4)+4y=84

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Solution for 3(4)+4y=84 equation: 


Simplifying
3(4) + 4y = 84

Multiply 3 * 4
12 + 4y = 84

Solving
12 + 4y = 84

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-12' to each side of the equation.
12 + -12 + 4y = 84 + -12

Combine like terms: 12 + -12 = 0
0 + 4y = 84 + -12
4y = 84 + -12

Combine like terms: 84 + -12 = 72
4y = 72

Divide each side by '4'.
y = 18

Simplifying
y = 18

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